Flight Hub

Welcome to Flight Hub! Use this dashboard to quickly identify the latest Windows Insider Preview Builds.

Latest ISO downloads can be found for each channel at Windows Insider Preview Downloads.

Windows 11, version 26H1

Preview builds for Windows 11, version 26H1 (Build 28000). 26H1 is not a feature update for version 25H2 and only includes platform changes to support specific silicon. There is no action required from customers. See this blog post for more details.

Important

*These builds are delivered on top of Windows 11, version 26H1 (Build 28000) with an enablement package that increments the build number to Build 28020 for the Experimental (26H1) channel.

Build Experimental (26H1) Beta (26H1) RP
28120.2242* 6/8/2026
28020.2236* 6/8/2026
28020.2207* 5/29/2026
28020.2149* 5/22/2026
28020.2134* 5/15/2026
28000.2176 5/14/2026
28020.2075* 5/8/2026
28020.1921* 5/1/2026
28020.1873* 4/24/2026
28020.1863* 4/17/2026
28020.1812* 4/10/2026
28020.1803* 4/3/2026
28020.1797* 3/30/2026
28020.1743* 3/20/2026
28020.1737* 3/13/2026
28020.1685* 3/6/2026
28020.1673* 2/27/2026
28020.1619* 2/20/2026
28020.1611* 2/12/2026
28020.1546* 2/4/2026
28020.1495* 1/28/2026
28020.1371* 1/14/2026
28020.1362* 12/15/2025
28000.1340 12/9/2025
28000.1199 11/18/2025
28000 11/7/2025
27982 11/4/2025
27975 10/23/2025
27972 10/16/2025
27959 10/6/2025
27954 9/25/2025
27950 9/19/2025
27943 9/11/2025
27938 9/8/2025
27934 8/29/2025
27928 8/20/2025
27924 8/14/2025
27919 8/8/2025
27913 7/30/2025
27909 7/25/2025
27902 7/17/2025
27898 7/11/2025
27891 7/3/2025
27881 6/19/2025
27871 6/4/2025
27868 5/29/2025
27863 5/23/2025
27858 5/16/2025
27842 4/23/2025
27823 3/26/2025
27818 3/19/2025
27813 3/12/2025
27808 3/7/2025
27802 2/28/2025
27788 2/5/2025
27783 1/29/2025
27774 1/16/2025
27768 1/9/2025
27766 1/3/2025
27764 12/11/2024
27758 12/4/2024
27754 11/20/2024
27749 11/13/2024
27744 11/6/2024
27729 10/17/2024
27723 10/9/2024
27718 10/2/2024
27695 8/30/2024
27686 8/15/2024

Windows 11, version 25H2

Preview builds for Windows 11, version 25H2 (Build 26200). For more information on this year's annual feature update for Windows 11 - see this blog post.

Important

*These builds are delivered on top of Windows 11, version 25H2 (Build 26200) with an enablement package that increments the build number to Build 26300 for the Experimental channel and Build 26220 for the Beta channel.

Build Experimental Beta RP SDK
26220.8575* 6/8/2026
26300.8553* 5/29/2026
26220.8544* 5/29/2026
26300.8497* 5/22/2026
26220.8491* 5/22/2026
26300.8493* 5/15/2026
26220.8474* 5/15/2026
26200.8521 5/14/2026
26300.8376* 5/8/2026
26220.8370* 5/8/2026
26300.8346* 5/1/2026
26220.8340* 5/1/2026
26300.8289* 4/24/2026
26220.8283* 4/24/2026
26200.8313 4/17/2026
26300.8276* 4/17/2026
26220.8271* 4/17/2026
26300.8170* 4/10/2026
26220.8165* 4/10/2026
26300.8155* 4/3/2026
26220.8148* 4/3/2026
26300.8142* 3/30/2026
26220.8138* 3/30/2026
26300.8085* 3/20/2026
26220.8079* 3/20/2026
26300.8068* 3/13/2026
26220.8062* 3/13/2026
26200.8106 3/12/2026
26300.7965* 3/6/2026
26220.7961* 3/6/2026
26300.7939* 2/27/2026
26220.7934* 2/27/2026
26300.7877* 2/20/2026
26220.7872* 2/20/2026
26200.7921 2/17/2026
26220.7859* 2/17/2026
26300.7760* 2/9/2026
26220.7755* 2/9/2026
26220.7752* 2/3/2026
26300.7733* 2/3/2026
26200.7701 1/27/2026
26300.7674* 1/27/2026
26220.7670* 1/27/2026
26220.7653* 1/21/2026 1/16/2026
26220.7535* 1/9/2026 1/9/2026
26220.7523* 12/19/2025 12/19/2025
26220.7344* 12/5/2025 12/5/2025
26200.7309 11/26/2025
26200.7296 11/17/2025
26220.7271* 11/21/2025 11/21/2025
26220.7262* 11/17/2025 11/17/2025
26220.7070* 11/7/2025 11/7/2025
26220.7051* 10/31/2025 10/31/2025
26200.7015 10/21/2025
26220.6982* 10/24/2025
26220.6972* 10/17/2025
26220.6780* 10/10/2025
26220.6772* 10/6/2025
26220.6760* 9/29/2025
26200.6713 9/12/2025
26220.6690* 9/19/2025
26220.6682* 9/12/2025
26220.5790* 9/5/2025
26220.5770* 8/29/2025
26200.5074 8/29/2025
26200.5761 8/22/2025
26200.5751 8/15/2025
26200.5742 8/8/2025
26200.5733 8/1/2025
26200.5722 7/28/2025
26200.5710 7/18/2025
26200.5702 7/14/2025
26200.5670 6/27/2025
26200.5661 6/23/2025
26200.5651 6/13/2025
26200.5641 6/9/2025
26200.5622 6/2/2025
26200.5603 5/19/2025
26200.5600 5/12/2025
26200.5581 5/5/2025
26200.5570 4/25/2025
26200.5562 4/21/2025
26200.5551 4/11/2025
26200.5518 4/3/2025
26200.5516 3/28/2025
26200.5510 3/24/2025

Windows 11, version 24H2

Preview builds for Windows 11, version 24H2 (Build 26100).

Important

*These builds are delivered on top of Windows 11, version 24H2 (Build 26100) with an enablement package that increments the build number to Build 26120 for the Beta Channel.

Build Canary Dev Beta RP SDK  
26100.8521 5/14/2026
26100.8106 3/12/2026
26100.7921 2/17/2026
26100.7701 1/27/2026
26100.7309 11/26/2025
26100.7296 11/17/2025
26100.7015 10/21/2025
26120.6982* 10/24/2025
26120.6972* 10/17/2025
26120.6780* 10/10/2025
26120.6772* 10/6/2025
26120.6760* 9/29/2025
26100.6713 9/12/2025
26120.6690* 9/19/2025
26120.6682* 9/12/2025
26120.5790* 9/5/2025
26120.5770* 8/29/2025
26120.5761* 8/22/2025
26120.5751* 8/15/2025
26120.5742* 8/8/2025
26120.5733* 8/1/2025
26120.5722* 7/28/2025
26100.5067 8/21/2025
26100.5061 8/14/2025
26100.4767 7/17/2025
26100.4762 7/10/2025
26120.4741* 7/18/2025
26120.4733* 7/14/2025
26120.4520* 6/27/2025
26100.4482 6/19/2025
26120.4452* 6/23/2025
26120.4441* 6/13/2025
26120.4250* 6/9/2025
26120.4230* 6/2/2025
26100.4188 5/19/2025
26120.4161* 5/23/2025
26120.4151* 5/19/2025
26120.3964* 5/12/2025
26120.3950* 5/5/2025
26120.3941* 4/25/2025
26100.3909 4/18/2025
26100.3902 4/10/2025
26120.3872* 4/21/2025
26120.3863* 4/11/2025
26120.3671* 4/3/2025
26120.3653* 3/28/2025
26100.3624 3/24/2025
26100.3613 3/18/2025
26120.3585* 3/24/2025
26120.3576* 3/17/2025 3/17/2025
26120.3380* 3/10/2025 3/10/2025
26120.3360* 2/28/2025 2/28/2025
26100.3321 2/18/2025
26120.3291* 2/21/2025 2/21/2025
26120.3281* 2/14/2025 2/14/2025
26120.3073* 1/31/2025 1/31/2025
26100.3025 1/21/2025
26120.3000* 1/24/2025
26120.2992* 1/17/2024
26120.2705* 12/18/2024
26120.2702* 12/13/2024
26120.2510* 12/6/2024
26100.2448 11/14/2024
26120.2415* 11/22/2024
26120.2222* 11/8/2024
26120.2213* 11/4/2024
26120.2200* 10/25/2024
26100.2152 10/10/2024
26120.2130* 10/18/2024
26120.2122* 10/11/2024
26120.1930* 10/4/2024
26120.1912* 9/30/2024
26100.1876 9/23/2024
26120.1843* 9/20/2024
26100.1586 8/19/2024
26120.1542* 8/19/2024
26120.1350* 8/9/2024
26120.1340* 8/5/2024
26120.1330* 7/26/2024
26100.1297 7/25/2024
26120.1252* 7/15/2024
26100.994 6/20/2024
26120.961* 6/14/2024
26100.863 6/15/2024
26120.770* 6/7/2024
26120.751* 5/31/2024
26100.712 5/22/2024
26120.670* 5/17/2024
26120.470* 5/10/2024
26120.461* 5/3/2024
26100 4/3/2024 4/3/2024 4/3/2024 5/22/2024
26090 3/28/2024 3/28/2024 3/28/2024
26085 3/20/2024 3/20/2024 3/20/2024
26080 3/13/2024 3/13/2024 3/13/2024 3/13/2024
26063 2/22/2024 2/22/2024
26058 2/14/2024 2/14/2024 2/14/2024
26052 2/8/2024 2/8/2024 2/8/2024
26040 1/26/2024 1/26/2024
26020 1/3/2024 1/3/2024
26016 12/13/2023 12/13/2023
26010 12/7/2023 12/7/2023
26002 11/29/2023 11/29/2023
25997 11/15/2023 11/15/2023
25992 11/8/2023 11/8/2023
25987 11/1/2023 11/1/2023
25982 10/25/2023 10/25/2023
25977 10/18/2023 10/18/2023
25967 10/5/2023 10/5/2023
25951 9/13/2023 9/13/2023
25947 9/7/2023 9/7/2023
25941 8/31/2023 8/31/2023
25936 8/25/2023 8/25/2023
25931 8/16/2023 8/16/2023
25926 8/9/2023 8/9/2023
25921 8/4/2023 8/4/2023
25915 7/27/2023 7/27/2023
25905 7/12/2023 7/12/2023
25393 6/14/2023 6/14/2023
25387 6/7/2023 6/7/2023
25381 6/2/2023 6/2/2023
25375 5/25/2023
25370 5/22/2023 5/22/2023
25357 5/4/2023 5/4/2023
25352 4/28/2023
25346 4/19/2023 4/19/2023
25336 4/7/2023 4/7/2023
25330 3/30/2023 3/30/2023
25324 3/23/2023 3/23/2023
25314 3/8/2023 3/8/2023
25309 3/2/2023 3/2/2023
25300 2/15/2023 2/15/2023
25295 2/9/2023 2/9/2023
25290 2/1/2023 2/1/2023
25284 1/25/2023 1/25/2023
25281 1/19/2023 1/19/2023
25276 1/12/2023 1/12/2023
25272 1/5/2023 1/5/2023
25267 12/14/2022 12/14/2022
25262 12/9/2022 12/9/2022
25252 11/28/2022 11/30/2022
25247 11/18/2022 11/18/2022
25236 11/2/2022 11/2/2022
25231 10/27/2022 10/27/2022
25227 10/19/2022 10/19/2022
25217 10/6/2022 10/6/2022
25211 9/29/2022 9/29/2022
25206 9/21/2022 9/21/2022
25201 9/14/2022 9/14/2022
25197 9/8/2022 9/8/2022
25193 9/1/2022 9/1/2022
25188 8/24/2022 8/17/2022
25182 8/17/2022 8/17/2022
25179 8/10/2022 8/10/2022
25174 8/3/2022 8/3/2022
25169 7/28/2022 7/28/2022
25163 7/20/2022 7/20/2022
25158 7/13/2022 7/13/2022
25151 6/29/2022 6/29/2022
25145 6/22/2022 6/22/2022
25140 6/15/2022 6/15/2022
25136 6/9/2022 6/9/2022
25131 6/2/2022 6/2/2022
25126 5/25/2022
25120 5/18/2022
25115 5/11/2022

Older Windows Insider Preview Builds are archived. Visit the archive to see information on Windows 11, version 23H2 (Build 22631) and earlier.

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